Activation Lock is Apple’s anti-theft feature, part of the “Find My iPhone” suite. When enabled, the Apple ID and password are required to erase, reactivate, or disable the device. On an iPhone 4s running iOS 9.3.5, this lock is particularly stubborn because Apple no longer supports the device with software updates, but the activation servers still check for valid credentials.
The oldest trick in the book for Activation Lock on iOS 9 is the . This does not remove the lock permanently. It simply redirects the activation server to a fake server, allowing you to use limited device functions. iphone 4s activation lock bypass ios 9.3.5
But if you need a that separates the two ideas: Activation Lock is Apple’s anti-theft feature, part of
For a functional, semi-permanent bypass on iOS 9.3.5, the security community relies on by the developer Matthew Pierson (a popular tool from the r/setupapp subreddit). This tool utilizes the Checkm8 exploit. The oldest trick in the book for Activation